126424621 has 2 divisors, whose sum is σ = 126424622. Its totient is φ = 126424620.

The previous prime is 126424609. The next prime is 126424633.

126424621 is nontrivially palindromic in base 10.

It is a balanced prime because it is at equal distance from previous prime (126424609) and next prime (126424633).

It can be written as a sum of positive squares in only one way, i.e., 85285225 + 41139396 = 9235^2 + 6414^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 126424621 - 2¹¹ = 126422573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126424621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126424681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63212310 + 63212311.

It is an arithmetic number, because the mean of its divisors is an integer number (63212311).

Almost surely, 2^126424621 is an apocalyptic number.

It is an amenable number.

126424621 is a deficient number, since it is larger than the sum of its proper divisors (1).

126424621 is an equidigital number, since it uses as much as digits as its factorization.

126424621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 126424621 is about 11243.8703745641. The cubic root of 126424621 is about 501.8923238526.

The spelling of 126424621 in words is "one hundred twenty-six million, four hundred twenty-four thousand, six hundred twenty-one".